Removes information on fuel-plugins repo
Removes information on fuel-plugins repo

Since Fuel plugins are now kept in separate repos under
Stackforge project, let's remove information about
fuel-plugins repo.

Change-Id: Ibea805b134843ccd2e18c14829168f3c1bb78170

phillipsio/fuel-docs,phillipsio/fuel-docs,phillipsio/fuel-docs,ogelbukh/fuel-docs,stackforge/fuel-docs,phillipsio/fuel-docs,ogelbukh/fuel-docs,stackforge/fuel-docs,ogelbukh/fuel-docs,ogelbukh/fuel-docs